Nice visuals, and the audio is also pretty good, although music could also be nice instead of just ambient noise (but that could just be a stylistic choice).
On the gameplay side, I got a bit too frustrated with the main mechanics. The jump is too floaty and feels quite bad. Added to the fact that you are required to jump on top of your reflections, which involves waiting for your past actions to record, then you have to wait for the jump to execute, it's just too much waiting for me honestly.
The in-game tutorial is also very unclear to me, I didn't understand the given symbols at all, and I had to go back to the game page to find the instructions. Now that could make me sound like a hypocrite, since I don't even have an in-game tutorial in my own entry, but if you bothered to include one in your game, I thought it should at least make sense.
Final thing is that your web build has too big of a resolution to display on my monitor so I had to download the PC build.